[Q] Settings inaccessible when no SIM card is inserted

For nostalgic reasons I used my SIM card to fire up my legendary Nokia 3310. Old Nokias, if you're still unaware, won't be usable without a SIM.

So my S2 was running like an iPod Touch for a while until I tried to access Settings. It opens for a split second and just closes, rendering it inaccessible. This has happen before when I moved my SIM to my Touch Viva months ago.
Unfortunately I can't find an explanation on why is this (weird occurance) happening and I need to know if I am not alone, as well as if there is a solution. Thanks
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Samsung Galaxy S II i9100 (Int'l Unlocked) 16 GB
OEM Android Firmware (4.1.2 JB w/ Touchwix UX)
Globe Telecom SIM--a disgrace of a telecom

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